Katelyn wants to build a desk for her doll . Her actual desk is 3 feet tall. The scale is .5 in 1 ft. How tall will the doll desk be?

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?